* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #000;
}

/* contrast 设置对比度 */
.container {
    /* border: 1px solid red; */
    filter: contrast(100%);
}

/* forwards当动画完成后，保持最后一帧的状态 */
.text {
    font-size: 100px;
    font-family: 'Gill Sans', 'Gill Sans MT', 'Calibri', 'Trebuchet MS', sans-serif;
    letter-spacing: -40px;
    color: #fff;
    animation: move-letter 4s linear forwards;
}

@keyframes move-letter {
    0% {
        opacity: 0;
        letter-spacing: -40px;
        filter: blur(10px);
    }

    25% {
        opacity: .5;
    }

    50% {
        opacity: .8;
        filter: blur(5px);
    }

    75% {
        opacity: 1;
        filter: blur(2px);
    }

    100% {
        letter-spacing: 20px;
    }
}